<http://schema.org/description>
"Before compact discs, you had to rewind and fast-forward to get to a particular bit of information. Not so with digital storage -- the CD makes pinpointing data a split-second task. Find out how CDs (and CD-ROMs, CD-Rs, CD-RWs) hold and let you retri"^^<http://www.w3.org/2001/XMLSchema#string>
<http://electronics.howstuffworks.com/cd3.htm>